Finding the Fourth Proportional to 1,621,749.49, 2,237,642.25 and 968,248.15
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Solution
The fourth proportional to 1,621,749.49, 2,237,642.25 and 968,248.15 is: 1,335,960.32
Step by Step Solution
- Step 1: Write the proportion equation
1,621,749.49 : 2,237,642.25 = 968,248.15 : x - Step 2: Convert to fraction form
1,621,749.49/2,237,642.25 = 968,248.15/x - Step 3: Cross multiply
1,621,749.49x = 2,237,642.25 × 968,248.15 - Step 4: Simplify right side
1,621,749.49x = 2,166,592,968,924.34 - Step 5: Solve for x
x = 2,166,592,968,924.34/1,621,749.49 - Step 6: Final answer
x = 1,335,960.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.